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Zirconia-supported bimetallic RhPt catalysts: Characterization and testing in autothermal reforming of simulated gasoline

Paper ID Volume ID Publish Year Pages File Format Full-Text
47914 46485 2008 10 PDF Available
Title
Zirconia-supported bimetallic RhPt catalysts: Characterization and testing in autothermal reforming of simulated gasoline
Abstract

The behavior of ZrO2-supported RhPt catalysts was studied in the autothermal reforming of simulated gasoline to produce fuel gas (H2, CO, CO2, CH4, and H2O) suitable for solid oxide fuel cell applications.The bimetallic catalysts were superior to the monometallic Rh and Pt catalysts, and only a small addition of Rh increased the activity of the Pt catalyst markedly. Moreover, the reforming selectivity and the stability of bimetallic RhPt catalysts against carbon deposition improved with increasing Rh/Pt molar ratio.Strong synergism between Rh and Pt was observed, leading to excellent catalytic performance. Based on TPR-, SEM-, and EDX-results a Rh-Pt-O ternary system with RhxPt1−x–Rh2O3 equilibrium is suggested for the bimetallic catalysts, where Rh2O3 is the active site.

Keywords
Hydrogen; Solid oxide fuel cell; Autothermal reforming; Simulated gasoline; Bimetallic; Zirconia; Rh-Pt-O ternary system; RhxPt1−x alloy; Rh2O3; Characterization
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 84, Issues 1–2, 25 October 2008, Pages 223–232
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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Price after discount Only $4.95
100% Money Back Guarantee
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